The Line 6 FBV 3 has an update mode. You can use this if your firmware update fails for any reason. Press and hold down Footswitch 1 and the A footswitch and then plug in the USB cable to power on. You'll see the LCD screen say Update Mode. The Line 6...

This document explains how to update your FBV Mk II (Express or Shortboard) controller using Line 6 Monkey. You will need to connect your FBV Mk II controller using a USB cable to your computer, then run the Line 6 Monkey application. If your software...